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445497072793 = 7972633212293
BaseRepresentation
bin1100111101110011011…
…00011101110010011001
31120120220110100010201221
412132321230131302121
524244334222312133
6540354124212041
744120555432053
oct6367154356231
91516813303657
10445497072793
11161a30535603
127241009a021
133301951b0a6
14177c28648d3
15b8c5cc2a2d
hex67b9b1dc99

445497072793 has 8 divisors (see below), whose sum is σ = 446227552008. Its totient is φ = 444767025024.

The previous prime is 445497072773. The next prime is 445497072829. The reversal of 445497072793 is 397270794544.

It can be written as a sum of positive squares in 4 ways, for example, as 33502543369 + 411994529424 = 183037^2 + 641868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445497072793 - 225 = 445463518361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445497072733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992355 + ... + 2204647.

It is an arithmetic number, because the mean of its divisors is an integer number (55778444001).

Almost surely, 2445497072793 is an apocalyptic number.

It is an amenable number.

445497072793 is a deficient number, since it is larger than the sum of its proper divisors (730479215).

445497072793 is a wasteful number, since it uses less digits than its factorization.

445497072793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215723.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 445497072793 in words is "four hundred forty-five billion, four hundred ninety-seven million, seventy-two thousand, seven hundred ninety-three".

Divisors: 1 797 2633 212293 2098501 169197521 558967469 445497072793